


National best bid and offer summary for USP-S | Serum (Field-Tested): best bid $59.64 on marketcsgo, best ask $54.60 on skinport, spread -$5.04 (-845 basis points), across 10 markets, 72 percent confidence.
Bar chart of how many marketplaces fall into each price bucket for USP-S | Serum (F), with price buckets along the horizontal axis (lower prices on the left) and the number of markets on the vertical axis; a reference line marks the median price.
Arbitrage matrix of buy-to-sell profit percentages between marketplaces for USP-S | Serum (F), with the buy market in each row and the sell market in each column; each cell's value and color show the percentage gain or loss of buying low on one market and selling high on another.
| Buy ↓ / Sell → | skinport | csfloat | lis-skins | dmarket | waxpeer | whitemarket | mannco-store | steamcommunity | buff163 |
|---|---|---|---|---|---|---|---|---|---|
| skinport | — | +2.3% | +3.5% | +8.5% | +8.6% | +8.8% | +21.8% | +30.0% | +231.4% |
| csfloat | -2.2% | — | +1.2% | +6.1% | +6.2% | +6.4% | +19.1% | +27.1% | +224.1% |
| lis-skins | -3.3% | -1.2% | — | +4.9% | +5.0% | +5.2% | +17.7% | +25.7% | +220.4% |
| dmarket | -7.8% | -5.7% | -4.6% | — | +0.1% | +0.3% | +12.2% | +19.9% | +205.5% |
| waxpeer | -7.9% | -5.8% | -4.7% | -0.1% | — | +0.2% | +12.1% | +19.7% | +205.2% |
| whitemarket | -8.1% | -6.0% | -4.9% | -0.3% | -0.2% | — | +11.9% | +19.5% | +204.6% |
| mannco-store | -17.9% | -16.0% | -15.0% | -10.9% | -10.8% | -10.6% | — | +6.8% | +172.2% |
| steamcommunity | -23.1% | -21.4% | -20.4% | -16.6% | -16.5% | -16.3% | -6.4% | — | +154.9% |
| buff163 | -69.8% | -69.1% | -68.8% | -67.3% | -67.2% | -67.2% | -63.3% | -60.8% | — |
Horizontal bar chart showing how each marketplace's price deviates from the median price for USP-S | Serum (F), with percent deviation on the horizontal axis and marketplaces listed vertically; bars right of zero are a premium (red), bars left are a discount (green).
Data freshness across marketplaces, one row per market showing how recently each was updated; bar length and color encode age (green under 5 minutes, amber under 1 hour, red older), alongside each market's live, stale, or offline status and listing count.